CN106411218A - Three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit - Google Patents
Three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit Download PDFInfo
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- CN106411218A CN106411218A CN201610223311.3A CN201610223311A CN106411218A CN 106411218 A CN106411218 A CN 106411218A CN 201610223311 A CN201610223311 A CN 201610223311A CN 106411218 A CN106411218 A CN 106411218A
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- phase
- diode bridge
- alternating current
- switching circuit
- phase diode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/08—Reluctance motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit including a three-phase inverter circuit, an AC motor, and a winding switching circuit. the input end of the three-phase inverter circuit is connected with a DC power supply, the AC motor includes a first three-phase winding and a second three-phase winding, the first three-phase winding is connected to the second three-phase winding through a middle terminal, the input terminal of the AC motor is connected to the three-phase inverter circuit, the winding switching circuit includes a first three-phase diode bridge and a second three-phase diode bridge, the first three-phase diode bridge and the second three-phase diode bridge are controlled by a transistor, the input ends of the first three-phase diode bridge and the second three-phase diode bridge are respectively connected with the middle terminal and the output terminal of the AC motor, and the output ends of the first three-phase diode bridge and the second three-phase diode bridge are connected to the DC power supply through the voltage stabilization module. The three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit can realize low rotating speed and large torque, and greatly improves the high-efficiency area of the motor and speed regulation range.
Description
Technical field
The invention belongs to circuit for controlling motor field, more particularly, to a kind of Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit.
Background technology
Motor is a kind of calutron converting electrical energy into mechanical energy, its main effect is to produce driving torque, for providing power source for various mechanical devices, it is generally divided into direct current generator, alternating current generator, wherein alternating current generator is also divided into load motor and three phase alternating current motor.In existing motor, general can be designed a kind of rotating speed, high speed or low speed, but in real mechanical processing process, generally require to use various rotating speeds, in this case, then need, with reference to multiple, there is a kind of motor of rotating speed, make the bulky of whole system, high cost, and need to increase extra switching circuit to realize switching, switching precision is low, and efficiency is low, thus be accomplished by one kind and be capable of high-speed electric expreess locomotive control switching circuit, so that whole motor has a relatively wide speed adjustable range.
Content of the invention
In order to solve above-mentioned technical problem, it is an object of the invention to provide a kind of Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit, its structure is simple, low cost, makes simple, switching efficiency is high, it is capable of the slow-speed of revolution, high pulling torque, greatly improve motor high efficiency region and speed adjustable range.
The present invention adopts the following technical scheme that：
A kind of Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit, including three phase converter circuit, alternating current generator, winding switching circuit；The input of described three phase converter circuit is connected with dc source；Described alternating current generator includes the first three-phase windings and the second three-phase windings, first three-phase windings are connected with the second three-phase windings by intermediate terminal, alternating current generator also includes input terminal and lead-out terminal, and input terminal is connected with three output ends of three phase converter circuit respectively；Described winding switching circuit includes the first three-phase diode bridge and second three-phase diode bridge of parallel connection,, respectively by the first transistor and transistor seconds controlling switch, three inputs of the first three-phase diode bridge are connected with the intermediate terminal of alternating current generator respectively for first three-phase diode bridge and the second three-phase diode bridge；Three inputs of the second three-phase diode bridge are connected with the lead-out terminal of alternating current generator respectively, and the DC output end of the first three-phase diode bridge and the second three-phase diode bridge is all connected to dc source by voltage stabilization module.
As a further improvement on the present invention, the threephase switch bridge that described three phase converter circuit is made up of 6 triodes is constituted, and the equal reverse parallel connection in two ends of each triode has damper diode.
As a further improvement on the present invention, described voltage stabilization module includes first resistor, second resistance and the first electric capacity, one end of described first resistor is connected with the positive pole of dc source, the other end is connected with one end of the first electric capacity, the other end of the first electric capacity is connected with one end of second resistance, and the other end of second resistance is connected with the negative pole of dc source；First electric capacity is in parallel with the DC output end of the first three-phase diode bridge and the second three-phase diode bridge.
Beneficial effects of the present invention：
The Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit of the present invention, its structure is simple, low cost, makes simple, switching efficiency is high, is capable of the slow-speed of revolution, high pulling torque, greatly improves motor high efficiency region and speed adjustable range.
Brief description
Fig. 1 is the circuit theory diagrams of an embodiment of the present invention.
Fig. 2 is the motor high rotating speed operation characteristic figure of an embodiment of the present invention.
Fig. 3 is the motor low speed high torque operation characteristic of an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As shown in figure 1, a kind of Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit, including three phase converter circuit 1, alternating current generator 2, winding switching circuit 3；The input of described three phase converter circuit 1 is connected with dc source；Described alternating current generator 2 includes the first three-phase windings 201 and the second three-phase windings 202, first three-phase windings 201 are connected with the second three-phase windings 202 by intermediate terminal, alternating current generator 2 also includes input terminal and lead-out terminal, and input terminal is connected with three output ends of three phase converter circuit 1 respectively；Described winding switching circuit 3 includes the first three-phase diode bridge 301 of parallel connection（D1~D6）With the second three-phase diode bridge 302（D7~D12）, respectively by the first transistor SW1 and transistor seconds SW2 controlling switch, three inputs of the first three-phase diode bridge 301 are connected with the intermediate terminal of alternating current generator 2 respectively for the first three-phase diode bridge 301 and the second three-phase diode bridge 302；Three inputs of the second three-phase diode bridge 302 are connected with the lead-out terminal of alternating current generator 2 respectively, and the DC output end of the first three-phase diode bridge 301 and the second three-phase diode bridge 302 is all connected to dc source by voltage stabilization module 4.
In the present invention, safety in utilization and the stability of the present invention in order to avoid triode is breakdown, are improved, described three phase converter circuit 1 is by 6 triodes（IGBT1~IGBT6）The threephase switch bridge of composition is constituted, and the equal reverse parallel connection in two ends of each triode has damper diode.
Described voltage stabilization module 4 includes first resistor R1, second resistance R2 and the first electric capacity C1, one end of described first resistor R1 is connected with the positive pole of dc source, the other end is connected with one end of the first electric capacity C1, the other end of the first electric capacity C1 is connected with one end of second resistance R2, and the other end of second resistance R2 is connected with the negative pole of dc source；First electric capacity C1 is in parallel with the DC output end of the first three-phase diode bridge 301 and the second three-phase diode bridge 302；Output end unification due to the first three-phase diode bridge 301 and the second three-phase diode bridge 302 is electrically connected with voltage stabilization module, thus effectively simplifying circuit, saves components and parts cost.
In sum, the operation principle of the present invention is：Be closed as transistor SW1, when transistor SW2 is in opening, the first three-phase windings 201 in alternating current generator and the second three-phase windings 202 all start, and now the impedance of whole circuit is big, thus in low frequency region, also it is obtained in that larger torque, be specifically shown in Fig. 2；It is in opening as transistor SW1, when transistor SW2 is closed, only has the first three-phase windings 201 to be activated in alternating current generator, thus the impedance of whole circuit is little, also has enough electric currents, is suitable for running up, be specifically shown in Fig. 3 in high-frequency region；The Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit of the therefore present invention can selectively switch on SW1 or SW2 according to actual conditions, it is achieved thereby that expanding speed control range.
General principle and principal character and the advantages of the present invention of the present invention have been shown and described above.It should be understood by those skilled in the art that; the present invention is not restricted to the described embodiments; merely illustrating the principles of the invention described in above-described embodiment and specification; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is by appending claims and its equivalent thereof.
Claims (3)
1. a kind of Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit it is characterised in that：Including three phase converter circuit（1）, alternating current generator（2）, winding switching circuit（3）；Described three phase converter circuit（1）Input be connected with dc source；Described alternating current generator（2）Including the first three-phase windings（201）With the second three-phase windings（202）, the first three-phase windings（201）By intermediate terminal and the second three-phase windings（202）Connect, alternating current generator（2）Also include input terminal and lead-out terminal, input terminal respectively with three phase converter circuit（1）Three output ends connect；Described winding switching circuit（3）Including the first three-phase diode bridge in parallel（301）With the second three-phase diode bridge（302）, the first three-phase diode bridge（301）With the second three-phase diode bridge（302）Respectively by the first transistor（SW1）And transistor seconds（SW2）Controlling switch, the first three-phase diode bridge（301）Three inputs respectively with alternating current generator（2）Intermediate terminal connect；Second three-phase diode bridge（302）Three inputs respectively with alternating current generator（2）Lead-out terminal connect, the first three-phase diode bridge（301）With the second three-phase diode bridge（302）DC output end all by voltage stabilization module（4）It is connected to dc source.
2. Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit according to claim 1 it is characterised in that：Described three phase converter circuit（1）The threephase switch bridge being made up of 6 triodes is constituted, and the equal reverse parallel connection in two ends of each triode has damper diode.
3. Thee-phase alternating current permanent-magnetic Reluctance synchronous high-speed electric expreess locomotive control switching circuit according to claim 1 it is characterised in that：Described voltage stabilization module（4）Including first resistor, second resistance and the first electric capacity, one end of described first resistor is connected with the positive pole of dc source, the other end is connected with one end of the first electric capacity, and the other end of the first electric capacity is connected with one end of second resistance, and the other end of second resistance is connected with the negative pole of dc source；First electric capacity and the first three-phase diode bridge（301）With the second three-phase diode bridge（302）DC output end in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223311.3A CN106411218A (en) | 2016-04-12 | 2016-04-12 | Three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223311.3A CN106411218A (en) | 2016-04-12 | 2016-04-12 | Three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit |
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| CN106411218A true CN106411218A (en) | 2017-02-15 |
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| CN201610223311.3A Pending CN106411218A (en) | 2016-04-12 | 2016-04-12 | Three-phase AC permanent magnet reluctance synchronous high-speed motor switching circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363877A (en) * | 2018-02-24 | 2018-08-03 | 电子科技大学 | A kind of complete triphase flow of the permanent magnet synchronous motor with star-like connection |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565075A (en) * | 2001-10-03 | 2005-01-12 | 株式会社安川电机 | Apparatus for switching windings of AC three-phase motor |
| CN101911473A (en) * | 2007-12-27 | 2010-12-08 | 株式会社安川电机 | Winding change-over switch of three-phase AC motor |
| CN103795304A (en) * | 2012-11-01 | 2014-05-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Three-phase synchronization electromotor drive control system and control method |
| CN104935223A (en) * | 2015-07-01 | 2015-09-23 | 上海电机学院 | Switching control system and method for permanent-magnet synchronous motor winding |
| CN205545048U (en) * | 2016-04-12 | 2016-08-31 | 江苏一东航空机械有限公司 | Three -phase AC permanent magnetism reluctance synchronizing high speed motor switching circuit |
-
2016
- 2016-04-12 CN CN201610223311.3A patent/CN106411218A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1565075A (en) * | 2001-10-03 | 2005-01-12 | 株式会社安川电机 | Apparatus for switching windings of AC three-phase motor |
| CN101911473A (en) * | 2007-12-27 | 2010-12-08 | 株式会社安川电机 | Winding change-over switch of three-phase AC motor |
| CN103795304A (en) * | 2012-11-01 | 2014-05-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Three-phase synchronization electromotor drive control system and control method |
| CN104935223A (en) * | 2015-07-01 | 2015-09-23 | 上海电机学院 | Switching control system and method for permanent-magnet synchronous motor winding |
| CN205545048U (en) * | 2016-04-12 | 2016-08-31 | 江苏一东航空机械有限公司 | Three -phase AC permanent magnetism reluctance synchronizing high speed motor switching circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108363877A (en) * | 2018-02-24 | 2018-08-03 | 电子科技大学 | A kind of complete triphase flow of the permanent magnet synchronous motor with star-like connection |
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Application publication date: 20170215 |